diff --git a/Misaki.HighPerformance.LowLevel/Buffer/AllocationManager.cs b/Misaki.HighPerformance.LowLevel/Buffer/AllocationManager.cs
index 83c2419..2b0b765 100644
--- a/Misaki.HighPerformance.LowLevel/Buffer/AllocationManager.cs
+++ b/Misaki.HighPerformance.LowLevel/Buffer/AllocationManager.cs
@@ -1,5 +1,7 @@
 #if MHP_ENABLE_SAFETY_CHECKS
 using Misaki.HighPerformance.Collections;
+using System.Collections.Concurrent;
+
 #endif
 using System.Diagnostics;
 using System.Runtime.CompilerServices;
@@ -804,6 +806,30 @@ public static unsafe class AllocationManager
 #endif
     }
 
+    /// <summary>
+    /// Gets the total newSize of all currently tracked allocations.
+    /// </summary>
+    /// <remarks>
+    /// Always returns 0 if MHP_ENABLE_SAFETY_CHECKS is disabled.
+    /// </remarks>
+    /// <returns>The total newSize of all currently tracked allocations.</returns>
+    public static nuint GetTotalAllocatedMemory()
+    {
+#if MHP_ENABLE_SAFETY_CHECKS
+        Debug.Assert(s_initialized, "AllocationManager is not initialized.");
+        
+        nuint total = 0;
+        foreach (var allocation in s_allocations)
+        {
+            total += allocation.Size;
+        }
+
+        return total;
+#else
+        return 0;
+#endif
+    }
+
     /// <summary>
     /// Disposes of the AllocationManager, freeing all allocated memory and resources.
     /// </summary>
diff --git a/Misaki.HighPerformance.LowLevel/Collections/HashMapHelper.cs b/Misaki.HighPerformance.LowLevel/Collections/HashMapHelper.cs
index 1cca1db..9741167 100644
--- a/Misaki.HighPerformance.LowLevel/Collections/HashMapHelper.cs
+++ b/Misaki.HighPerformance.LowLevel/Collections/HashMapHelper.cs
@@ -719,6 +719,7 @@ public unsafe struct HashMapHelper<TKey> : IDisposable
     {
         if (!IsCreated)
         {
+            Debug.Fail("The UnsafeArray is not created or already disposed.");
             return;
         }
 
diff --git a/Misaki.HighPerformance.LowLevel/Collections/UnTypedArray.cs b/Misaki.HighPerformance.LowLevel/Collections/UnTypedArray.cs
index fb43d56..136e084 100644
--- a/Misaki.HighPerformance.LowLevel/Collections/UnTypedArray.cs
+++ b/Misaki.HighPerformance.LowLevel/Collections/UnTypedArray.cs
@@ -1,6 +1,7 @@
 using Misaki.HighPerformance.LowLevel.Buffer;
 using Misaki.HighPerformance.LowLevel.Collections.Contracts;
 using Misaki.HighPerformance.LowLevel.Utilities;
+using System.Diagnostics;
 using System.Runtime.CompilerServices;
 
 namespace Misaki.HighPerformance.LowLevel.Collections;
@@ -272,6 +273,7 @@ public unsafe struct UnTypedArray : IUnTypedCollection
     {
         if (!IsCreated)
         {
+            Debug.Fail("The UnsafeArray is not created or already disposed.");
             return;
         }
 
diff --git a/Misaki.HighPerformance.LowLevel/Collections/UnsafeArray.cs b/Misaki.HighPerformance.LowLevel/Collections/UnsafeArray.cs
index b0e82a7..4143ec0 100644
--- a/Misaki.HighPerformance.LowLevel/Collections/UnsafeArray.cs
+++ b/Misaki.HighPerformance.LowLevel/Collections/UnsafeArray.cs
@@ -418,6 +418,7 @@ public unsafe struct UnsafeArray<T> : IUnsafeCollection<T>
     {
         if (!IsCreated)
         {
+            Debug.Fail("The UnsafeArray is not created or already disposed.");
             return;
         }
 
diff --git a/Misaki.HighPerformance.LowLevel/Collections/UnsafeList.cs b/Misaki.HighPerformance.LowLevel/Collections/UnsafeList.cs
index 9cf5ab9..be69dfc 100644
--- a/Misaki.HighPerformance.LowLevel/Collections/UnsafeList.cs
+++ b/Misaki.HighPerformance.LowLevel/Collections/UnsafeList.cs
@@ -363,15 +363,6 @@ public unsafe struct UnsafeList<T> : IUnsafeCollection<T>
         _count += values.Length;
     }
 
-    /// <summary>
-    /// Adds a range of elements to the collection.
-    /// </summary>
-    /// <param name="values">A collection containing the elements to add.</param>
-    public void AddRange(ReadOnlyUnsafeCollection<T> collection)
-    {
-        AddRange((T*)collection.GetUnsafePtr(), collection.Count);
-    }
-
     /// <summary>
     /// Adds a range of elements from a pointer to the collection.
     /// </summary>
diff --git a/Misaki.HighPerformance.LowLevel/Misaki.HighPerformance.LowLevel.csproj b/Misaki.HighPerformance.LowLevel/Misaki.HighPerformance.LowLevel.csproj
index a605db0..51f5c07 100644
--- a/Misaki.HighPerformance.LowLevel/Misaki.HighPerformance.LowLevel.csproj
+++ b/Misaki.HighPerformance.LowLevel/Misaki.HighPerformance.LowLevel.csproj
@@ -7,7 +7,7 @@
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <Authors>Misaki</Authors>
-    <AssemblyVersion>1.6.3</AssemblyVersion>
+    <AssemblyVersion>1.6.4</AssemblyVersion>
     <Version>$(AssemblyVersion)</Version>
     <PackageProjectUrl>https://git.personalnas.com/Misaki/Misaki.HighPerformance.git</PackageProjectUrl>
     <RepositoryUrl>https://git.personalnas.com/Misaki/Misaki.HighPerformance.git</RepositoryUrl>
diff --git a/Misaki.HighPerformance.Test/Program.cs b/Misaki.HighPerformance.Test/Program.cs
index ce94a9c..b432621 100644
--- a/Misaki.HighPerformance.Test/Program.cs
+++ b/Misaki.HighPerformance.Test/Program.cs
@@ -15,6 +15,7 @@ AllocationManager.Initialize(opts);
 var arr = new UnsafeArray<int>(10, Allocator.Persistent);
 var arrcpy = arr;
 arr.Dispose();
+arrcpy.Dispose();
 
 Console.WriteLine(arr.IsCreated);
 Console.WriteLine(arrcpy.IsCreated);